Frequencies for first 10,000 rows of econdp_10 variable in linkco1991us_num dataset :

  Part/line |
  number on |
certificate |
         10 |      Freq.     Percent        Cum.
------------+-----------------------------------
          6 |          7        0.07        0.07
          . |      9,993       99.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015